Page 526 - Copper and Bronze in Art: Corrosion, Colorants, Getty Museum Conservation, By David Scott

silicates, copper. See copper silicates Solovetsky Monastery (Russia), sulfides, copper. See copper
silk, mineralization of, 73, 76 frescoes at, calumetite sulfides
silver in, 141 sulfur
in blue pigment recipes, 286 sory, 147, 225 and air pollution, 43
in copper sculptures, 324 South America deposition in indoor environ­
silver chloride, treatment with, 364 azurite in, 109 ment, 62
silver oxide, treatment with, copper use in, 5 sulfur dioxide, atmospheric, 154-55
364-65 turquoise in, 249 concentrations of
Simone manuscript, 282 - 83 spangolite, 162 conversion factors for, 441
sinnerite, as corrosion product, 230 properties of, 1481 modern, 441, 45-46
smaragdus, 105 Spanish green, 282 and corrosion products, 155,
smelting, copper spertiniite, 98 1561, 157 f
bornite in, 226 properties of, 821, 98 and corrosion rates
early evidence of, 5 spionkopite indoor, 6i
enargite in, 226 as corrosion product, 229 Outdoor, 46, 46 f, 47-48,
smog, photochemical, and corro­ properties of, 226, 227 t 57, 155
sion rates, 47 splash marine zone, 661, 67 deposition rates of, 48,154-55,
smoke, and air pollution, 43 stabilization, 370-7 3 155f
sodium azide test, 6i passive, 391-9 2 with ozone, 47,155, i55f, I56t,
sodium carbonate solution, treat­ stained window glass, copper 157f
ment with, 98, 367 and cuprite in, 94 sulfuric acid, treatment with,
sodium chloride stalacton, 14 6 355, 366
4
and corrosion rates, 7- 48 stannic acid, 38 surmoulage, 332
1
and deposition rate, 48 Statue of Liberty, 59-60,192 p Susanna Van Collen (Poelenburgh),
sodium copper carbonate. corrosion of, 159 - 60 copper support in, 319
See chalconatronite patinas on, 159 - 60 Sutton Hoo estate, 229, 239 n6
sodium copper carbonate acetate, antlerite in, 149 Swann Fountain (Calder), antlerite
302 components of, 57,160 on, 149
X-ray diffraction data for, oxalates in, 305
302, 4481 thickness of, 159 - 60 Τ
sodium copper carbonate acetate pollution exposure of, 55 tagilite
(hydrate), 302 Statue of a Victorious Youth, 218 p properties of, 242 t
2
X-ray diffraction data for, conservation treatment of, 2i8p , vs. pseudomalachite, 241, 5 1 m
302, 4491 359, 369-7 0 Tanalith process, 314
sodium diethylene triaminepenta- Statuette of a Cat, 217p technologies, early, with copper
acetic acid ( D T P A ) , 369 conservation treatment of, and iron, 18 -19
sodium dithionite, alkaline, 367, 217p, 353 tenorite, 95-96
i
371-72 Statuette of a Dead Youth, 6 9 p azurite and, 96, 97f, 110
sodium hydroxide, treatment with, patina on, 7,169 cuprous chloride and, 98
98, 354, 363, 366, 371 steatite, properties of, 265 formation of, 95-96, 97 f, 110
sodium sesquicarbonate treatment stellacyanin, 77 in patinas, 95-96,18ip
and chalconatronite formation, stones, glazed, 265 Pourbaix diagrams for, 35,
118, 119-20, 364 Strandberg's compound, properties 130 f, 135 f
chemistry of, 363 - 64 of, 1481 prevalence of, 95
for marine artifacts, 370-71, 373 stromeyerite properties of, 821, 95
problems with, 354, 368-69 as corrosion product, 228 relative molar volume of, 88
sodium tripolyphosphate, 367 in niello, 239 thermodynamic data for, 1361
soil(s) Studies of Antiquities (Poussin), tersitu preparations, 93
acidity of, 40 - 42 patina on, 329 textile fibers, mechanical cleaning
buffering capacity of, 1 - 4 2 sulfate(s), copper. See copper and, 360
4
corrosion rates in, 35-37, 361 sulfate(s) Thames River bronzes, corrosion
horizons of, 38 sulfate ions, deposition in indoor products on, 196p, i97p,
human impact on, 39 environment, 62 229-30
moisture of, 40 sulfate-reducing bacteria, 65 - 67 thang-ka paintings, greens in, 312
properties of, 35-37 and copper sulfide production, thermal spraying, 163, 167ni4
soil silhouette, 39, 8on9 227-2 8 thermodynamics, of corrosion, 14
soldering, reaction, 121 ni2, 254

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